Measurement and Instrumentation The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240×10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is 4 mA. 1 mA. 2 mA. 3 mA. 4 mA. 1 mA. 2 mA. 3 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A meter has a full-scale deflection of 90o at a current of 1 A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45o will be 0.25 A. 0.67 A. 0.70 A. 0.50 A. 0.25 A. 0.67 A. 0.70 A. 0.50 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measurement of mutual inductance we can use Maxwell's bridge Anderson bridge Any of the listed here Heavyside bridge Maxwell's bridge Anderson bridge Any of the listed here Heavyside bridge ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ratio of readings of two wattmeter connected to measure power in a balanced 3-phase load is 5:3 and the load is inductive. The power factor at load is 0.917 lag. 0.917 lead. 0.6 lead. 0.6 lag. 0.917 lag. 0.917 lead. 0.6 lead. 0.6 lag. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance in the circuit of the moving coil of a dynamometer wattmeter should be None of the listed here Almost zero Low High None of the listed here Almost zero Low High ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A resistor of 10kΩhms with 5% tolerance is connected in parallel with a 5kΩhms resistor of 10% tolerance. What is the tolerance limit for the parallel network? 10% 8.33% 5% 6.67% 10% 8.33% 5% 6.67% ANSWER DOWNLOAD EXAMIANS APP
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